Accident north of Pittsburgh is a somber reminder of just how dangerous operating a chain -- can be. James Valentine was trimming a tree along the busy highway when the -- kicked back and duck two inches into his shoulder. First responders had to disassembled assault without moving -- blade. Ballantine says at first he barely even felt anything. There's about them much more -- -- put -- back in. And those -- right about the traders -- that -- and and so is and that's four. Minutes read and just kicked down -- -- -- I'm -- missed a major artery doctors expect for him to make a full recovery. Barn has kicked back by the way is one of the most common causes of serious chainsaw injuries while. Lucky -- -- -- got that right.

This transcript has been automatically generated and may not be 100% accurate.

{"id":23155852,"title":"Tree Trimmer Survives Chainsaw to the Chest","duration":"3:00","description":"James Valentine is expected to make a full recovery from the roadside accident.","url":"/GMA/video/tree-trimmer-survives-chainsaw-chest-23155852","section":"GMA","mediaType":"Default"}